diff options
| author | Ana Rey <anarey@gmail.com> | 2014-09-02 20:36:14 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-09-09 16:31:23 +0200 |
| commit | 3045d76070abe725dbb7fd8ff39c27b820d5a7eb (patch) | |
| tree | 7e47594e7f670f854f690c589ba41aa715b4fed5 | |
| parent | ce24b7217b60980ff0366dc6afbd5418db9972f2 (diff) | |
| download | blackbird-obmc-linux-3045d76070abe725dbb7fd8ff39c27b820d5a7eb.tar.gz blackbird-obmc-linux-3045d76070abe725dbb7fd8ff39c27b820d5a7eb.zip | |
netfilter: nf_tables: add devgroup support in meta expresion
Add devgroup support to let us match device group of a packets incoming
or outgoing interface.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| -rw-r--r-- | include/uapi/linux/netfilter/nf_tables.h | 4 | ||||
| -rw-r--r-- | net/netfilter/nft_meta.c | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index c9b6f00a3fb7..c000947d3f38 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -573,6 +573,8 @@ enum nft_exthdr_attributes { * @NFT_META_BRI_OIFNAME: packet output bridge interface name * @NFT_META_PKTTYPE: packet type (skb->pkt_type), special handling for loopback * @NFT_META_CPU: cpu id through smp_processor_id() + * @NFT_META_IIFGROUP: packet input interface group + * @NFT_META_OIFGROUP: packet output interface group */ enum nft_meta_keys { NFT_META_LEN, @@ -596,6 +598,8 @@ enum nft_meta_keys { NFT_META_BRI_OIFNAME, NFT_META_PKTTYPE, NFT_META_CPU, + NFT_META_IIFGROUP, + NFT_META_OIFGROUP, }; /** diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index 843e099a962d..1e7c076ca63a 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -155,6 +155,16 @@ void nft_meta_get_eval(const struct nft_expr *expr, case NFT_META_CPU: dest->data[0] = smp_processor_id(); break; + case NFT_META_IIFGROUP: + if (in == NULL) + goto err; + dest->data[0] = in->group; + break; + case NFT_META_OIFGROUP: + if (out == NULL) + goto err; + dest->data[0] = out->group; + break; default: WARN_ON(1); goto err; @@ -228,6 +238,8 @@ int nft_meta_get_init(const struct nft_ctx *ctx, #endif case NFT_META_PKTTYPE: case NFT_META_CPU: + case NFT_META_IIFGROUP: + case NFT_META_OIFGROUP: break; default: return -EOPNOTSUPP; |
